\begin{table}[htbp]\centering
\def\sym#1{\ifmmode^{#1}\else\(^{#1}\)\fi}
\caption{Switching Vote (Only from the Right), IV - RTI, Germany \label {tab:CDU}}
\begin{tabular}{l*{4}{c}}
\hline\hline
                &\multicolumn{1}{c}{(1)}&\multicolumn{1}{c}{(2)}&\multicolumn{1}{c}{(3)}&\multicolumn{1}{c}{(4)}\\
                &\multicolumn{1}{c}{+Demographic}&\multicolumn{1}{c}{+Offshoring}&\multicolumn{1}{c}{+Skill}&\multicolumn{1}{c}{All}\\
\hline
Right to AfD    &                  &                  &                  &                  \\
RTI Index       &   -0.251         &   -0.251         &   -0.244         &   -0.113         \\
                &  (0.335)         &  (0.335)         &  (0.307)         &  (0.324)         \\
Female          &   -1.781\sym{***}&   -1.781\sym{***}&   -1.854\sym{***}&   -2.097\sym{***}\\
                &  (0.650)         &  (0.650)         &  (0.654)         &  (0.688)         \\
Age             &   -0.001         &   -0.001         &   -0.000         &    0.002         \\
                &  (0.029)         &  (0.029)         &  (0.029)         &  (0.030)         \\
Foreign born    &    0.797         &    0.797         &    0.671         &    0.522         \\
                &  (1.051)         &  (1.051)         &  (1.072)         &  (1.093)         \\
High-Skilled    &   -0.406         &   -0.406         &   -0.461         &   -0.713         \\
                &  (0.806)         &  (0.806)         &  (0.806)         &  (0.560)         \\
Offshorability  &    1.140\sym{*}  &    1.140\sym{*}  &    1.241\sym{*}  &    2.050\sym{**} \\
                &  (0.668)         &  (0.668)         &  (0.691)         &  (1.008)         \\
Skill-Specificity&                  &                  &   -0.113         &   -0.074         \\
                &                  &                  &  (0.094)         &  (0.095)         \\
Task-Tech       &                  &                  &                  &   -0.217         \\
                &                  &                  &                  &  (1.092)         \\
Task-Inter      &                  &                  &                  &    1.517         \\
                &                  &                  &                  &  (1.203)         \\
Income          &      Yes         &      Yes         &      Yes         &      Yes         \\
Regional controls &      Yes         &      Yes         &      Yes         &      Yes         \\
\hline
Observations    &     1484         &     1484         &     1484         &     1478         \\
R$^2$           &    0.171         &    0.171         &    0.179         &    0.208         \\
AIC             &  7.3e+05         &  7.3e+05         &  7.3e+05         &  7.0e+05         \\
\hline\hline
\multicolumn{5}{l}{\footnotesize Standard errors in parentheses}\\
\multicolumn{5}{l}{\footnotesize \sym{*} \(p<0.1\), \sym{**} \(p<0.05\), \sym{***} \(p<0.01\)}\\
\end{tabular}
\end{table}
